Tofu

Etymology

The English word "tofu" comes from Japanese tōfu (豆腐). The Japanese tofu, in turn, is a borrowing of Chinese 豆腐 (Mandarin: dòufǔ; tou4-fu) 'bean curd, bean ferment'.


Etymology

The earliest documentation of the word in English is in the 1704 translation of Domingo Fernández Navarrete's A Collection of Voyages and Travels, that describes how tofu was made. The word towfu also appears in a 1770 letter from the English merchant James Flint) to Benjamin Franklin. The term "bean curd(s)" for tofu has been used in the United States since at least 1840.


Theories of origin

Another theory suggests that the production method for tofu was discovered accidentally when a slurry of boiled, ground soybeans was mixed with impure sea salt. Such sea salt would probably have contained calcium and magnesium salts, allowing the soy mixture to curdle and produce a tofu-like gel.

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